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1928:Curtis Harold Guernsey Sr. founded a consulting engineering firm out of his garage to provide civil engineering support to rural Oklahoma municipalities.
C.H. Guernsey started the company in 1928 in Cherokee — and was beset with a huge challenge the next year: the Great Depression.
Guernsey met the first of its challenges just one year after its beginning: the infamous stock market crash of 1929 that launched the Great Depression.
1937:Rural Oklahoma communities began establishing electric co-ops, with Cherokee and Kingfisher among the first to do so.
The company moved to Oklahoma City in 1942.
1949:Guernsey began using aircraft to expedite business travel in November of 1949, starting with a single-engine Cessna that seated a pilot and three passengers.
1951:The company moved into a new 5,000-square-foot self-designed office building to meet the needs of an efficient, expanding engineering organization.
1956:Guernsey acquired a fleet of late-model cars and station wagons for the field personnel’s use
1991:Guernsey saw its first DoD design/build contract: the field training facility at Altus Air Force Base.
2012:Guernsey rebranded itself early in the decade, rolling out a new look while providing the same services clients have grown to know and love.
2015:Created business development teams for specific market sectors.
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| Company name | Founded date | Revenue | Employee size | Job openings |
|---|---|---|---|---|
| RS&H | 1941 | $310.0M | 1,250 | 385 |
| David Evans and Associates | 1976 | $150.0M | 939 | 108 |
| Gresham Smith | 1967 | $120.0M | 1,257 | 171 |
| L.r. Kimball | - | $1.3M | 50 | - |
| Harley Ellis Devereaux | 1908 | $27.0M | 381 | 167 |
| MCG Architecture | - | - | 176 | - |
| Jones Edmunds | 1974 | $46.9M | 200 | 65 |
| Project Design | 1976 | $9.0M | 100 | - |
| HNTB | 1914 | $1.4B | 3,400 | 1,836 |
| Michael Brady | 1990 | $960,000 | 15 | - |
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Guernsey - Engineers/Architects/Consultants may also be known as or be related to C.H. Guernsey & Company, Inc., CH GUERNSEY & CO and Guernsey - Engineers/Architects/Consultants.